1,2,3,5-Tetramethylbenzene Back Catalog number: 71524 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 52050 Interference Standard 3 Price on request DF-124678-S 1,2,4,6,7,8-Hexachlorodibenzofuran , 1.2ml x 50ug/ml, toluene Price on request BDE-209S Decabromodiphenyl ether, 50µg/ml in IO,1ml Price on request